Show:
Discovering the Atom
Introducing the Periodic Table
Atoms vs. Ions
Properties of Matter
Misc.
100
Lesson 3 Electrons ****** outside the nucleus.
What is circle?
100
Lesson 2 Can be rolled or hammered into thin sheets.
What is malleable?
100
Lesson 1 T/F All members in one element family have different ion charges.
What is false?
100
Lesson 3 Substances become larger as it heats up.
What is thermal expansion?
100
Lesson 1 (unit 8) Solid, liquid, plasma, gas, and base.
What are five states of matter?
200
Lesson 1 Only certain ******** are possible in Bohr's model.
What is energy?
200
Lesson 3 The universe is about *** hydrogen.
What is 90%?
200
Lesson 2 Compounds containing two elements.
What is a binary compound?
200
Lesson 1 Particles move freely in all directions.
What is Evaporation?
200
Lesson 3 (unit 5) Scientists in labs have made about ** more atoms.
What is 25?
300
Lesson 2 Hydrogen's nucleus only has 1 proton and * neutrons.
What is 0?
300
Lesson 1 *********** idea was to write each element's name and properties on a separate card and put them up on their wall.
Who is Mendeleev?
300
Lesson 3 Can form compounds with metals, nonmetals, and each other.
What is a polyatomic ion?
300
Lesson 2 Particles slide past each other.
What is melting?
300
Lesson 2 (unit 8) Sometimes a substance can undergo both a ******** and ******** ******.
What is a chemical and physical change?